<template>
  <BasicModal
    v-bind="$attrs"
    destroyOnClose
    @register="register"
    title="Modal Title"
    :helpMessage="['提示1', '提示2']"
    @visible-change="handleShow"
  >
    <template #insertFooter>
      <a-button type="primary" danger @click="setLines" :disabled="loading"
        >点我更新内容</a-button
      >
    </template>
    <template v-if="loading">
      <div class="empty-tips">加载中，稍等3秒……</div>
    </template>
    <template v-if="!loading">
      <ul>
        <li v-for="index in lines" :key="index">加载完成{{ index }}！</li>
      </ul>
    </template>
  </BasicModal>
</template>
<script lang="ts">
import { defineComponent, ref, watch } from 'vue'
import { BasicModal, useModalInner } from '@/components/modal'
export default defineComponent({
  components: { BasicModal },
  setup() {
    const loading = ref(true)
    const lines = ref(10)
    const [register, { setModalProps, redoModalHeight }] = useModalInner()

    watch(
      () => lines.value,
      () => {
        redoModalHeight()
      },
    )

    function handleShow(visible: boolean) {
      if (visible) {
        loading.value = true
        setModalProps({ loading: true, confirmLoading: true })
        setTimeout(() => {
          lines.value = Math.round(Math.random() * 30 + 5)
          loading.value = false
          setModalProps({ loading: false, confirmLoading: false })
        }, 3000)
      }
    }

    function setLines() {
      lines.value = Math.round(Math.random() * 20 + 10)
    }
    return { register, loading, handleShow, lines, setLines }
  },
})
</script>
<style scoped>
.empty-tips {
  height: 100px;
  line-height: 100px;
  text-align: center;
}
</style>
